Home / 185,710.90-278,533.41-84,485.43

Finding the Fourth Proportional to 185,710.90, 278,533.41 and 84,485.43

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Solution

The fourth proportional to 185,710.90, 278,533.41 and 84,485.43 is: 126,713.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    185,710.90 : 278,533.41 = 84,485.43 : x
  2. Step 2: Convert to fraction form
    185,710.90/278,533.41 = 84,485.43/x
  3. Step 3: Cross multiply
    185,710.90x = 278,533.41 × 84,485.43
  4. Step 4: Simplify right side
    185,710.90x = 23,532,014,913.22
  5. Step 5: Solve for x
    x = 23,532,014,913.22/185,710.90
  6. Step 6: Final answer
    x = 126,713.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.